Originally posted by NemeBro
The Drain happens to be able to end almost any confrontation with other Force Users at the start of the fight, and among Sith and Jedi he has maybe the best telekinetic feat in the setting. He also can enslave the minds of those around him over time, making them hollow and thoughtless beyond serving his will, with his presence.Plus, he does have Force Lightning. And while you could argue that it was only average in potency... Well it would be kinda dumb.
So he has a full set of Sith powers.
Why is he a stupid villain?
Because he wasn't in the movies.